The paper reviews the stream pollution problem caused by sediments at home and abroad, and summarizes the research progress in this field.
对目前国内外泥沙引起的河流污染问题进行了概述,并总结了国内外在此领域研究的进展。
We are taking steps to prevent stream and air pollution.
我们正采取措施防止河流和空气污染。
Landfill should be avoided to minimise disturbance of habitat, sediment pollution, alteration to stream flow dynamics and effect on habitat.
在垃圾处理的过程中应该尽量避免打搅到动植物的天然栖息地,避免产生沉淀物的污染,最小化对水流与天然栖息地的污染。
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